import pywikibot, sys

# Usage: savepage [article name] [edit comment] [local file]

f = open(sys.argv[3], 'r')
newtext = f.read()

site = pywikibot.Site('en', 'wikipedia')  # The site we want to run our bot on
page = pywikibot.Page(site, sys.argv[1])
page.text = newtext
page.save(sys.argv[2])  # Saves the page